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/*
 * GB/T 12345-1990
 */

/*
 * GB/T 12345-1990 is a traditional chinese counterpart of GB 2312-1986.
 * According to the unicode.org tables:
 * 2146 characters have been changed to their traditional counterpart,
 * 103 characters have been added, no characters have been removed.
 * Therefore we use an auxiliary table, which contains only the changes.
 */

#include "gb12345ext.h"

static int
gb12345_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n)
{
  int ret;

  /* The gb12345ext table overrides some entries in the gb2312 table. */
  /* Try the GB12345 extensions -> Unicode table. */
  ret = gb12345ext_mbtowc(conv,pwc,s,n);
  if (ret != RET_ILSEQ)
    return ret;
  /* Try the GB2312 -> Unicode table. */
  ret = gb2312_mbtowc(conv,pwc,s,n);
  return ret;
}

static int
gb12345_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
{
  int ret;

  /* The gb12345ext table overrides some entries in the gb2312 table. */
  /* Try the Unicode -> GB12345 extensions table. */
  ret = gb12345ext_wctomb(conv,r,wc,n);
  if (ret != RET_ILSEQ)
    return ret;
  /* Try the Unicode -> GB2312 table, and check that the resulting GB2312
     byte sequence is not overridden by the GB12345 extensions table. */
  ret = gb2312_wctomb(conv,r,wc,n);
  if (ret == 2 && gb12345ext_mbtowc(conv,&wc,r,2) == 2)
    return RET_ILSEQ;
  else
    return ret;
}
thodg/libiconv/src/gb12345.h

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src/gb12345.h
